Home / 21,446.68-29,594.28-12,015.04

Finding the Fourth Proportional to 21,446.68, 29,594.28 and 12,015.04

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Solution

The fourth proportional to 21,446.68, 29,594.28 and 12,015.04 is: 16,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.68 : 29,594.28 = 12,015.04 : x
  2. Step 2: Convert to fraction form
    21,446.68/29,594.28 = 12,015.04/x
  3. Step 3: Cross multiply
    21,446.68x = 29,594.28 × 12,015.04
  4. Step 4: Simplify right side
    21,446.68x = 355,576,457.97
  5. Step 5: Solve for x
    x = 355,576,457.97/21,446.68
  6. Step 6: Final answer
    x = 16,579.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.